JKWC+ Low-voltage reactive power auto compensation controller

1)AC sampling &real-time display information 2)it has manul and auto working method 3)it has temperature test&control function

Technical Parameter

Environmental requirement

Height:≤2500m

Operating temperature: -20°C~+60°C

Storage temperature: -25°C~+70°C

Operating in the environment of no corrosive gas, no conductive dust and no explosive and flammable medium. The Installation site should be no violent vibration and erosion of snow and rain

Measured data

Measuring voltage:100V~500V

Measuring current:0~6000A

Power factor measurement:Lag 0.200~ahead 0.200

 Measuring voltage: 400V

Measuring cuttent:0~6000A

Sensitivity :120mA(twice)

Power factor measurement:lag 0.200 ~ahead 0.200

Measurement temperature : 20°C~80°C

Total harmonic distortion: 0.0~100.0%

Input/Output signal

 Sampling voltage: line voltage

Current Sampling: bus-bar current transformer twice 0~5A

Control output: The electric relay stem node  5A/250V Resistive (static)

12V  300mV/ branch road ( dynamic)

Over-temperature control output : 5A  250V The electric relay stem node

Sampling voltage isn't the same as the current sampling

Display performance

The LCD Digital data display refresh cycle≤1s

Measuring accuracy

Voltage ±0.5%   

Electric current ±0.5%  

Power factor  ±1.0% 

The statistics above is getting by 10 minutes' preheating of controller and calibration within one year .

Setting data

Rated transformation ratio: 1~1200(ratio)

Delay Time:  5s~100s

Target COSφ:lag 0.80~ahead -.80 step length 0.01

Overvoltage setting:400V~480V step length 2V

On and off limit:0.5~1.2(setting value is on limit value)  step length 0.1

Off limit = 1.2 - current setting

Harmonic protection: Hv: 0.0%~50.0%

Output group count: 2~12

Capacitance preset: 0~999Kvar/group

Reliability:

Mean Time Between Failures(MTBF) > 25000 hours

JKWC+ Low-voltage reactive power auto compensation controller